Well the announcement has come out early this year with the new WES 2008 being held in Orlando, Florida from May 13th to the 15th. This is always the biggest BlackBerry event of the year and it promises to be the biggest ever. (not saying much ) Many new products and services are announced at WES so its worth keeping an eye out. Registration begins in January.
You can check out more information about WES 2008 at this link. Or you can just watch the countdown and begin stressing out. If you are interested you can also sign up for updates at on the website. They already have quite a bit of information on the site about the seminar tracks and keynote speaker. All the big vendor names and quite a few of the smaller ones are already named.